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TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20300310T030000 RDATE:20301103T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20310309T030000 RDATE:20311102T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20320314T030000 RDATE:20321107T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20330313T030000 RDATE:20331106T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20340312T030000 RDATE:20341105T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20350311T030000 RDATE:20351104T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20360309T030000 RDATE:20361102T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20370308T030000 RDATE:20371101T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT UID:fe219ab1a8693ffff3fba81df10201dc CATEGORIES:RuCCS Colloquia: Spring 2021 CREATED:20201217T183204 SUMMARY:"From fixation to exploration: towards an integrative view of oculomotor function", Susana Martinez-Conde (SUNY Downstate Medical Center, Department of Ophthalmology) LOCATION:via Zoom EST: Email Jason Geller at This email address is being protected f rom spambots. You need JavaScript enabled to view it. for this Zoom link. DESCRIPTION:Susana Martinez-Conde's Website (https://www.downstate.edu/ophthalmology/fa culty/martinez-conde.html)\nAbstract: During visual exploration, saccadic e ye movements scan the scene for objects of interest. During attempted fixat ion, the eyes are relatively still but often produce microsaccades. Though exploration and fixation have traditionally been regarded as two distinct o culomotor behaviors, an alternative model is that fixation and exploration are not dichotomous, but the two extremes of a functional continuum. Here I will present data, from healthy subjects as well as patients suffering fro m neurological disease, supporting the view that visual fixation is functio nally equivalent to visual exploration on a spatially focused scale. I will also discuss my lab’s research using microsaccade production to better und erstand the role of area V1 in the perceptual distinction between self-moti on and world-motion. Finally, I will present our latest findings on what oc ulomotor behavior might reveal about the perception of art.\nReadings:\n\n - Microsaccades mediate perceptual alternations in Monet's "Impress ion, sunrise".\nAlexander RG, Venkatakrishnan A, Chanovas J, Macknik SL , Martinez-Conde S. Sci Rep. 2021 Feb 11;11(1):3612. doi: 10.1038/s41598-02 1-82222-3.\n - V1 neurons respond differently to object motion versus motio n from eye movements (https://pubmed.ncbi.nlm.nih.gov/26370518/).\nTroncoso XG, McCamy MB, Jazi AN, Cui J, Otero-Millan J, Macknik SL, Costela FM, Mar tinez-Conde S. Nat Commun. 2015 Sep 15;6:8114. doi: 10.1038/ncomms9114.\n - An oculomotor continuum from exploration to fixation.\nOtero-M illan J, Macknik SL, Langston RE, Martinez-Conde S. Proc Natl Acad Sci U S A. 2013 Apr 9;110(15):6175-80. doi: 10.1073/pnas.1222715110. X-ALT-DESC;FMTTYPE=text/html:
Susana Martinez-Conde's Website
Abstract: During visual exploration, saccadic eye movements scan the scene for objects of interest. During attempted fixatio n, the eyes are relatively still but often produce microsaccades. Though ex ploration and fixation have traditionally been regarded as two distinct ocu lomotor behaviors, an alternative model is that fixation and exploration ar e not dichotomous, but the two extremes of a functional continuum. Here I w ill present data, from healthy subjects as well as patients suffering from neurological disease, supporting the view that visual fixation is functiona lly equivalent to visual exploration on a spatially focused scale. I will a lso discuss my lab’s research using microsaccade production to better under stand the role of area V1 in the perceptual distinction between self-motion and world-motion. Finally, I will present our latest findings on what ocul omotor behavior might reveal about the perception of art.
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